Clinical trials: Visual Performance
Cataract, Cataract Surgery
Binocular and Monocular Distance-Corrected Visual Performance and Defocus Characteristics of Clareon Truplus Intraocular Lens (IOL)
This study aims to generate data that characterizes visual outcomes, including the binocular distance-corrected intermediate visual acuity (DCIVA) at 66cm or defocus behavior, of the Clareon TruPlus modified monofocal intraocular…
- Conditions
- Cataract, Cataract Surgery, Cataract Bilateral, Cataract (Post-operative Cataract Surgery Follow-up)
- Trial name
- BMVDI (NCT07589894)
- Testing
- Clareon TruPlus IOL
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Colvard Kandavel Eye Center
Cataract
Assessment of Visual Function and Optics in Intraocular Lenses
The main objective of this research is to assess visual function and optical performance of CE marked, implanted intraocular lenses to understand the individual factors that affect their performance and how these may be improved…
- Trial name
- NCT01654159
- Testing
- Monofocal IOL, Multifocal IOL, Toric IOL
- Where
- United Kingdom
- Volunteers
- 500 people
- Sponsor
- Aston University
Motoric Cognitive Risk Syndrome, Cognitive-Motor Interaction
Laser-Based Map Tests in Motoric Cognitive Risk Syndrome
This study aims to evaluate the validity and reliability of neuroscience-based visual laser feedback map tests in individuals with Motoric Cognitive Risk Syndrome (MCRS).
- Conditions
- Motoric Cognitive Risk Syndrome, Cognitive-Motor Interaction, Sensorimotor Performance
- Trial name
- NCT07572942
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people
- Sponsor
- Balikesir University
High Myopia, Cataract
Visual Performance of Functional Intraocular Lenses in Cataracts
This is a prospective, multi-center, randomized comparative study. The purpose of the study is to evaluate and compare the postoperative visual outcomes and quality of vision of two diffractive trifocal intraocular lenses (IOLs)…
- Trial name
- NCT05581888
- Testing
- trifocal intraocular lens
- Where
- China
- Volunteers
- 62 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Myopia
Evaluation of Visual Performance With Contact Lenses
This study will evaluate the influence of contact lens optical design on visual performance using standard and multifocal soft contact lenses (MFCLs).
- Trial name
- NCT03705130
- Testing
- Single Vision Contact Lens, Multifocal Contact Lens 1, Multifocal Contact Lens 2
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Houston
Cataract, Lens Opacities
Visual Performance Intraocular Lens (IOL) MicroPure 1.2.3.
The clinical investigation is a post-market clinical follow up study whereby patients undergoing routine cataract surgery will have monolateral implantation of a commercially available, CE approved monofocal intraocular lens…
- Trial name
- NCT03297372
- Testing
- IOL implantation
- Where
- 2 sites in Italy
- Volunteers
- 121 people
- Sponsor
- Beaver-Visitec International, Inc.
Cataract
Long-term With a Trifocal Intraocular Lens
The main aims of this study were to evaluate the patient reported outcomes (PROs), safety and efficacy, after 6-year (66 - 78 months) from the binocular implantation of the AT LISA tri 839MP.
- Trial name
- NCT04861909
- Testing
- AT LISA tri 839MP
- Where
- Spain
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Qvision, Ophthalmology Department
Parkinson's Disease
Attentional Performance in Parkinson Disease
Background: Parkinson Disease (PD) is a nervous system disorder that affects movement. Dopamine is an important neurotransmitter in the brain. As PD progresses, there is less and less dopamine in the brain.
- Trial name
- NCT04428931
- Where
- United States
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Presbyopia, Refractive Error
Dispensing Study to Assess Visual Performance of Prototype Contact Lenses
The aim of this study is to assess visual performance of prototype soft contact lens designs compared to commercially available contact lenses over one-week of lens wear.
- Trial name
- NCT02214797
- Testing
- Etafilcon A, Lotrafilcon B , Senofilcon A
- Where
- Australia
- Volunteers
- 67 people, healthy volunteers welcome
- Sponsor
- Brien Holden Vision
Postural Balance, Reaction Time
The Effect of Neuromotor-Cognitive Training on Performance Dancers
This prospective randomized controlled study aims to evaluate the effects of neuromotor-cognitive training on dynamic balance, reaction time, and sensorimotor performance in performance dancers.
- Conditions
- Postural Balance, Reaction Time, Sensorimotor Performance, Neuromuscular Control
- Trial name
- NCT-DANCE (NCT07730710)
- Testing
- Neuromotor-Cognitive Training
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Yeditepe University
Cataract
Safety and Effectiveness of the Opira AIOL in Comparison to Commercial IOLs in Patients Undergoing Cataract Surgery
This is a clinical trial comparing an investigative accommodative IOL and two commercial IOLs in patients with cataracts undergoing primary cataract surgery.
- Trial name
- NCT04756908
- Testing
- Cataract Surgery
- Where
- 2 sites in Costa Rica, Mexico
- Volunteers
- 200 people
- Sponsor
- FSV6, Ltd.
Cataract, Presbyopia
Comparison of Two Aspheric Intraocular Lenses for Micro-monovision
In an aging population, cataract and presbyopia become increasingly common. A cataract develops when the natural crystalline lens inside a person's eye, becomes cloudy over time, causing reduction of vision.
- Conditions
- Cataract, Presbyopia, Pseudophakia
- Trial name
- NCT05531110
- Testing
- Cataract surgery with insertion of Eyhance ICB00, Cataract surgery with insertion of Alcon SN60WF
- Where
- United Kingdom
- Volunteers
- 140 people
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Keratoconus
Comparative Analysis of the Visual Performance After TICL Implantation in Patients With Stable Keratoconus
To report on 4-year postoperative safety, efficacy, stability and predictability outcomes(to evaluate the visual, refractive, contrast sensitivity, defocus curve and aberrometric data preoperation, and compare with a similar…
- Trial name
- TICL (NCT02833649)
- Testing
- Toric Implantable collamer Lens
- Where
- Iran
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University
Presbyopia
Multifocal High ADD Contact Lens Proof of Concept Trial
The purpose of this study is to evaluate the visual performance of a new multifocal High ADD contact lens compared to the currently-marketed AIR OPTIX® AQUA MULTIFOCAL (AOAMF) High ADD Contact Lens.
- Trial name
- NCT02117544
- Testing
- Lotrafilcon B multifocal contact lenses (new), Lotrafilcon B multifocal contact lenses
- Volunteers
- 268 people
- Sponsor
- Alcon Research
Autism Spectrum Disorder
Effectiveness of Chinese Handwriting Intervention Program for Children With ASD
This research aims to investigate the effectiveness and acceptability of the newly developed Chinese handwriting performance intervention program
- Trial name
- NCT05841511
- Testing
- Chinese handwriting intervention program for children with ASD, named "Go Go Handwriting - ASD version"
- Where
- Taiwan
- Volunteers
- 22 people
- Sponsor
- National Taiwan University Hospital
Visual Perception, Visual-Motor Integration
Structured Task-Focused Occupational Therapy in the School Environment to Support Academic Performance: Fine Motor and Visual-Motor Skills
This randomized controlled trial will evaluate the effects of a structured, task-focused occupational therapy program delivered in the school environment on handwriting performance, fine motor skills, visual-motor integration…
- Conditions
- Visual Perception, Visual-Motor Integration, Handwriting
- Trial name
- NCT07723092
- Testing
- Structured Task-Focused Occupational Therapy Program
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people
- Sponsor
- Medipol University
Age-related Cataract
Study On The Performance And Safety Of The REVISYON SDS 100 Device On Visual Acuity In Subjects With Cataract
Single arm, unmasked study to evaluate the performance and safety of the REVISYON SDS 100 Device for the non-invasive treatment of vision loss in age-related cataract.
- Trial name
- NCT05396547
- Testing
- Treated with REVISYON SDS 100 Device
- Where
- 11 sites in Latvia, Lithuania and 1 more
- Volunteers
- 114 people
- Sponsor
- Edinburgh Biosciences Ltd
Balance Performance
Immediate Effects of Visual and Auditory Feedback Modalities on Dynamic Balance
The goal of this randomized controlled trial is to compare the immediate effects of visual, auditory, and combined feedback modalities on dynamic balance in healthy young adults.
- Trial name
- NCT07594405
- Testing
- Star Excursion Balance Test
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- St Joseph University, Beirut, Lebanon
Parkinson Disease, Movement Disorders
Progressive Modular Rebalancing (RMP) System Rehabilitation Combined With Sensory Cues for Rehabilitation of Patients With PD
In the present study, the investigators propose a rehabilitative program for Parkinson' disease based on the combination of a neurocognitive method, i.e. visual sensory cues, with a neurophysiological method, i.e.
- Trial name
- NCT03346265
- Testing
- Treatment A combined exercise program and gait training with sensory cues, Treatment B Conventional physiotherapy
- Where
- Italy
- Volunteers
- 47 people
- Sponsor
- University of Roma La Sapienza
Refractive Errors
Clinical Performance of Two Daily Disposable Contact Lenses - Study 1
The purpose of this study is to evaluate end of day (EOD) visual acuity (VA) at distance when wearing Precision1™ contact lenses compared to Acuvue® Moist contact lenses.
- Trial name
- NCT03969290
- Testing
- Verofilcon A contact lenses, Etafilcon A contact lenses
- Where
- Germany
- Volunteers
- 69 people
- Sponsor
- Alcon Research